This article reviews the basic mechanisms of federal tax incentives, the cu
rrent level, sources and recipients of charitable donations, and the estima
ted magnitude of the response to tax incentives, In addition, we discuss th
e possible effects of recent tax proposals on charitable giving. These prop
osals include changing the marginal rate structure, allowing taxpayers usin
g the standard deduction to reduce taxable income by the amount of their co
ntributions, and repealing the estate tax.